Question

the numerator of a number is less than its denominator by 3 . if numerator becomes 3 times and denominator is increased by 20 the new become 1/8 find the fraction​

Answer 1

y-x =3

= y=3+x

so,

3x

------------ =1

y+20. ------

8

= 3x = 1

-------- ----

3+x+20. 8

=3x 1

---------- = -----

x+23 8

=24x = x+23

= 24x-x=23

=23x = 23

= x= 23

-----

23

= x= 1

value of x =1

so value of y = x+3

= 1+3

=4

so the fraction will be 1

----

4